Formatting numbers with a limited amount of digits consistently

Duncan Murdoch · 2005-05-30T17:20:50Z

Henrik Andersson wrote: > I have tried to get signif, round and format to display numbers like > these consistently in a table, using e.g. signif(x,digits=3) > > 17.01 > 18.15 > > I want > > 17.0 > 18.2 > > Not > > 17 > 18.2 > > > Why is the last digit stripped off in the case when it is zero! signif() changes the value; you don't want that, you want to affect how a number is displayed. Use format() or formatC() instead, for example > x format(x, digits=3) [1]

Duncan Murdoch

Mon, May 30, 2005 10:20 AM

Henrik Andersson wrote:

signif() changes the value; you don't want that, you want to affect how 
a number is displayed.  Use format() or formatC() instead, for example

 > x <- c(17.01, 18.15)
 > format(x, digits=3)
[1] "17.0" "18.1"
 > noquote(format(x, digits=3))
[1] 17.0 18.1

I'd say both.

Duncan Murdoch

Thread (9 messages)

Henrik Andersson Formatting numbers with a limited amount of digits consistently May 30 Duncan Murdoch Formatting numbers with a limited amount of digits consistently May 30 Gabor Grothendieck Formatting numbers with a limited amount of digits consistently May 30 Duncan Murdoch Formatting numbers with a limited amount of digits consistently May 30 Gabor Grothendieck Formatting numbers with a limited amount of digits consistently May 30 Marc Schwartz Formatting numbers with a limited amount of digits consistently May 31 Duncan Murdoch Formatting numbers with a limited amount of digits consistently May 31 Gabor Grothendieck Formatting numbers with a limited amount of digits consistently May 31 Marc Schwartz Formatting numbers with a limited amount of digits consistently May 31